Preop and Postop Foraminal Length Increase on Axial CT Scans (%)
| Proximal Recess | Lateral Foramen | |||
|---|---|---|---|---|
| SurgiFile | Standard | SurgiFile | Standard | |
| Cadaver 1 L2—3 | 1800 | 3700 | 2100 | 3000 |
| Cadaver 1 L3—4 | 1700 | 4300 | 1950 | 3200 |
| Cadaver 1 L4—5 | 1450 | 4100 | 1850 | 3100 |
| Cadaver 1 L5—S1 | 1400 | 3000 | 1600 | 2400 |
| Cadaver 2 L2—3 | 1900 | 3500 | 1750 | 3000 |
| Cadaver 2 L3—4 | 2400 | 3200 | 1550 | 3000 |
| Cadaver 2 L4—5 | 1900 | 2700 | 1350 | 2200 |
| Cadaver 2 L5—S1 | 1900 | 2600 | 1700 | 2400 |
| Average | 1,806.25 | 3,387.50 | 1,731.25 | 2,787.50 |